/**
 * OSAmI: Open Source Ambient Intelligence
 * A simple publish/subscribe/dispatch API (based on multicast communications) for constrained devices.
 * Copyright (C) Lionel Debroux 2006 (as a TER/Magistere M1 student in the LSR-IMAG-ADELE team, for a demo in the H-Omega project)
 * Copyright (C) Lionel Debroux 2010 (as an engineer in the LCIS-INPG-CTSYS team, for a pre-demo in the FR part of the OSAMI project)
 * Contact: osami-general@osami-commons.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
 */

package fr.imag.adele.homega.impl.multicast;

import java.io.IOException;
import java.util.logging.Logger;

/**
 * This class implements a dummy receiver device: it prints received messages on the standard output,
 * and registers and unregisters itself upon request.
 */
public class MulticastReceiverImpl implements MulticastReceiver, Comparable {

	protected String name;

	public MulticastReceiverImpl() {
	}

	public MulticastReceiverImpl(String name) {
		this.name = name;
	}

	public void register(MulticastHandler handler, String topic, int port) {
		try {
			handler.register(topic, port, this);
			
		} catch (IOException e) {
			Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).severe("Topic \"" + topic + ":" + port +
					"\" cannot register itself to \"" + handler + "\"!\n");
			e.printStackTrace();
		}
	}

	public void unregister(MulticastHandler handler, String topic, int port) {
		try {
			handler.unregister(topic, port, this);
			
		} catch (IOException e) {
			Logger.getLogger(Logger.GLOBAL_LOGGER_NAME).severe("Topic \"" + topic + ":" + port +
					"\" cannot unregister itself from \"" + handler + "\"!\n");
			e.printStackTrace();
		}
	}

	public void receive(String topic, String message) {
		System.out.println("In topic \"" + topic +
				"\", " + name + " received message:\n\"" + message +"\"");
	}

	public String toString() {
		return name;
	}

	public void shutdown() {
	
	}


	// XXX is that correct ?
	public int compareTo(Object o) {
		return 1;
	}
}
